package com.cdh.edu.service;

import com.cdh.edu.entity.Video;
import com.baomidou.mybatisplus.extension.service.IService;

/**
 * @author cdh
 * @since 2020-10-20
 */
public interface VideoService extends IService<Video> {
    //根据课程id删除小节
    void deleteVideoByCourseId(String courseId);

    void removeVideo(String id);

    void removeVideoByChapterId(String chapterId);

    void removeVideoByCourseId(String courseId);
}
